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      <img src="../logo.svg" class="logo" alt=""><h1>aggregate blockwt values by blockgroup</h1>
      <small class="dont-index">Source: <a href="https://github.com/USEPA/EJAM/blob/HEAD/R/custom_doaggregate.R" class="external-link"><code>R/custom_doaggregate.R</code></a></small>
      <div class="d-none name"><code>calc_bgwts_overall.Rd</code></div>
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    <p>aggregate blockwt values by blockgroup</p>
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    <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">calc_bgwts_overall</span><span class="op">(</span><span class="va">sites2blocks</span><span class="op">)</span></span></code></pre></div>
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    <h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>


<dl><dt id="arg-sites-blocks">sites2blocks<a class="anchor" aria-label="anchor" href="#arg-sites-blocks"></a></dt>
<dd><p>like output of <code><a href="getblocksnearby.html">getblocksnearby()</a></code>
or input to <code><a href="doaggregate.html">doaggregate()</a></code> or <code><a href="custom_doaggregate.html">custom_doaggregate()</a></code></p></dd>

</dl></div>
    <div class="section level2">
    <h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
    <p>data.table, 1 row per blockgroup (even if bg is near 2+ sites),
so it is a table of all the unique block groups in the overall
analysis (merged across all sites), with a weight that indicates
what fraction of that bg population is included in the overall
analysis. This can be used to get overall results if it is
joined to block group demographics, etc.,
to aggregate each indicator over all block groups using the weights.</p>
    </div>
    <div class="section level2">
    <h2 id="see-also">See also<a class="anchor" aria-label="anchor" href="#see-also"></a></h2>
    <div class="dont-index"><p><code><a href="custom_doaggregate.html">custom_doaggregate()</a></code></p></div>
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